Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Billions of neutrinos pass unnoticed through your body every second.
6
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists aren't sure what color dinosaurs were.
312
Most dust particles in your house are made from dead skin!
67
One barrel of petroleum holds 42 gallons.
20
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116